Bolts protected by ball bearing and then covered when a lock is being used;

Note:the oxford anchor is SOLD SECURE.but not the chain lock
Anchor:Hardened steel bolt-down anchor for floors and walls
Anchor:All fixings supplied and FREE allen key
This chain is manufactured with 10mm square steel, it is Resistant to bolt cutters, hammers, saws, and chisels
Suitable for a wide range of other security applications